Colonel Harvey Byron Lloyd III took command of the 404th Maneuver Enhancement Brigade June 14, 2015. As the brigade commander, Colonel Lloyd is responsible for the training and management of more than 2,000 soldiers in engineering, chemical and military police units across Illinois. Colonel Lloyd's previous assignment was commander of the 244th Digital Liaison Detachment based in Chicago, Illinois.

Colonel Lloyd enlisted in the Illinois Army National Guard August 4, 1984, and served as a combat engineer with the 233rd Engineer Company in Marseilles, Illinois, for six years. Colonel Lloyd achieved the rank of staff sergeant before commissioning through Officer Candidate School as an engineer officer August 24, 1991.

Colonel Lloyd has served in multiple leadership and staff positions from platoon leader to battalion commander. In 2001, he deployed to Germany with Headquarters and Headquarters Company 66th Infantry Brigade where he served as the Task Force Santa Fe liaison officer to U.S. Army Europe Command headquarters in Heidelberg, Germany. Colonel Lloyd deployed to Afghanistan in March of 2008 as the Explosive Hazards Coordination Cell Commander where his team tracked improvised explosive devices. In September 2011, he was selected as the deputy brigade commander of the 404th Maneuver Enhancement Brigade where he also served as the acting brigade commander for one year.

CSM Sima enlisted in the Illinois Army National Guard in 1990 as a Chemical Operations Specialist. He attended basic training at Fort Leonard Wood, Missouri. CSM Sima deployed to Kuwait from 2010 to 2011 in support of Operation New Dawn where he oversaw long haul logistical missions throughout Iraq and Kuwait. CSM Sima was called to state active duty in support of Mississippi River flooding in 1993 and 2008.

CSM Sima has held multiple NCO leadership positons throughout his career. He has been a Command Sergeant Major since 2014 being assigned as the CSM for the 1144th Transportation Battalion.
CSM Sima’s awards and decorations include the Bronze Star Medal, Meritorious Service Medal, Army Commendation Medal (1 Oak Leaf Cluster), Army Achievement Medal, Armed Forces Reserve Component Achievement Medal (1 Silver Oak leaf Cluster, 2 Bronze Oak Leaf Clusers), National Defense Service Medal (1 Service Star), Global War on Terrorism Expeditionary Medal, Global War on Terrorism Service Medal, Humanitarian Service Medal (1 Service Star), Armed Forces Reserve Medal (M Device and Numeral 2), Noncommissioned Officer Professional Development Ribbon (Numeral 4), Army Service Ribbon, Overseas Service Ribbon, Driver Badge (Wheel), and various State awards and decorations from the Illinois Army National Guard.

CSM Sima’s professional education includes a Bachelor of Science degree in education from Northern Illinois University in Dekalb, Illinois. CSM Sima graduated from multiple military courses including the United States Army Sergeants Major Academy; United States Army First Sergeant Academy, Advanced Noncommissioned Officer Course; Basic Noncommissioned Officer Course and Primary Leadership Development Course.

CSM Sima is a native of Worth, Illinois, and has four children with his wife, Michelle. CSM Sima works as an operations manager for a technology company based in the south suburbs of Chicago.